I was going through the first posts queue and clicked "edit" on one because it had odd formatting.

Before I submitted any edits, I opened the question in new tab to double check the context. I saw that the answer was posted almost a month ago, with positive score -- okay, it's an audit and I will probably fail if I try to submit an edit.

So I went back to editor tab and clicked "cancel".

Two weird things:

Clicking "cancel" then redirected me to the actual question page, instead of the review queue